The special process treats the cold forging line, challenges the mechanical performance limit of the material, and helps customers complete the world's first batch production of the spiral knife of the main part of the pencil sharpener, replacing the traditional turning process.

Replace the powder metallurgy process with special-shaped materials, double the mechanical properties of the product, and reduce the cost by 50%. Disruptive changes in the production process of car seat belt locking blocks in the world.